19420744

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1439}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 22396856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1439, 1687, 1928, 2878, 3374, 5756, 6748, 10073, 11512, 13496, 20146, 40292, 80584, 346799, 693598, 1387196, 2427593, 2774392, 4855186, 9710372, 19420744]

約数ペア:

[(1, 19420744), (2, 9710372), (4, 4855186), (7, 2774392), (8, 2427593), (14, 1387196), (28, 693598), (56, 346799), (241, 80584), (482, 40292), (964, 20146), (1439, 13496), (1687, 11512), (1928, 10073), (2878, 6748), (3374, 5756)]